Abstract: The invention relates to flame-retardant polyester compositions comprising thermoplastic polyester as component A, fillers and/or reinforcers as component B, phosphinic salt of the formula (I) as component C in which R1 and R2 are ethyl, M is Al, Fe, TiOp or Zn, m is 2 to 3, and p=(4?m)/2 compound selected from the group of the Al, Fe, TiOp and Zn salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid as component D phosphonic salt of the formula II as component E in which R3 is ethyl, Met is Al, Fe, TiOq or Zn, n is 2 to 3, and q=(4?n)/2, inorganic phosphonate as component F, and wax selected from the group consisting of the polyolefin waxes, amide waxes, natural waxes, long-chain aliphatic carboxylic acids and/or esters or salts thereof as component G.

Abstract: The invention relates to a flame-retardant polyamide composition containing: as component A) 1 to 96 wt. % of one or more thermoplastic polyamides; as component B) 2 to 25 wt. % of a diorganylphosphinic acid salt of formula (I), wherein R1 and R2 are the same or different and C1-C18 alkyl is linear, branched or cyclical, C6-C18 aryl, C7-C18 arylalkyl and/or C7-C18 alkylaryl; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; as component C) 2 to 20 wt. % of at least a further polymer component, selected from the classes of thermoplastic polyester and polyester elastomers; as component D) 0 to 20 wt. % of a salt of the phosphorous acid of general formula (II), [HP(?O)O2]2?Mm+??(II) in which M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na and/or K; as component E) 0 to 20 wt.

Abstract: The invention relates to flame-retardant polyamide compositions having a heat deflection temperature HDT-A of not less than 280° C., comprising polyamide having a melting point of not less than 290° C. as component A, fillers and/or reinforcers as component B, phosphinic salt of the formula (I) as component C in which R1 and R2 are ethyl, M is Al, Fe, TiOp or Zn, m is 2 to 3, and p=(4?m)/2 compound selected from the group of the Al, Fe, TiOp and Zn salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid as component D, and phosphonic salt of the formula (II) as component E in which R3 is ethyl, Met is Al, Fe, TiOq or Zn, n is 2 to 3, and q=(4?n)/2. The polyamide compositions can be used for production of fibers, films and shaped bodies, especially for applications in the electricals and electronics sector.

Abstract: The invention relates to flame-retardant polyamide compositions comprising polyamide having a melting point of not more than 290° C. as component A, fillers and/or reinforcers as component B, phosphinic salt of the formula (I) as component C in which R1 and R2 are ethyl, M is Al, Fe, TiOp or Zn, m is 2 to 3, and p=(4?m)/2 compound selected from the group of the Al, Fe, TiOp and Zn salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid as component D phosphonic salt of the formula (II) as component E in which R3 is ethyl, Met is Al, Fe, TiOq or Zn, n is 2 to 3, and q=(4?n)/2 melamine polyphosphate having an average degree of condensation of 2 to 200 as component F, sterically hindered phenolic antioxidant as component G, and/or organic phosphite and/or organic phosphonite as component H.

Abstract: The invention relates to flame-retardant polyamide compositions comprising polyamide having a melting point of not more than 290° C. as component A, fillers and/or reinforcers as component B, phosphinic salt of the formula (I) as component C in which R1 and R2 are ethyl, M is Al, Fe, TiOp or Zn, m is 2 to <4, and p=(4?m)/2 compound selected from the group of the Al, Fe, TiOp and Zn salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid as component D phosphonic salt of the formula II as component E in which R3 is ethyl, Met is Al, Fe, TiOq or Zn, n is 2 to <4, and q=(4?n)/2 melamine polyphosphate having an average degree of condensation of 2 to 200 as component F, and black colorant as component G. The black polyamide compositions can be used for production of fibers, films and shaped bodies, especially for applications in the electricals and electronics sector.

Abstract: The invention relates to additive mixtures for plastics containing phosphinic acid salt of formula (I) as component A, where R1 and R2 mean ethyl, M is Al, Fe, TiOp or Zn, m means 2 to 3, preferably 2 or 3, and p=(4?m)/2 is a compound selected from the group of Al salts, Fe salts, TiOp salts or Zn salts of ethylbutylphosphinic acid, dibutylphosphinic acid, ethylhexylphosphinic acid, butylhexylphosphinic acid and/or dihexylphosphinic acid as component B, phosphonic acid salt of formula (II) as component C, where R3 means ethyl, Met is Al, Fe, TiOq or Zn, n means 2 to 3, preferably 2 or 3, and q=(4?n)/2, and copper as component D.

Abstract: The invention relates to additive mixtures for plastics containing phosphinic acid of the formula (I) as component A, wherein R1 and R2 mean ethyl, M is Al, Fe, TiOp or Zn, m means 2 to <4, preferably 2 or 3, and p=(4?m)/2 is a compound selected from the group of Al, Fe, TiOp or Zn salts of ethylbutylphosphinic acid, dibutylphosphinic acid, ethylhexylphosphinic acid, butylhexylphosphinic acid and/or dihexylphosphinic acid as component B, phosphonic acid salt of formula (II) as component C, wherein R3 means ethyl, Met is Al, Fe, TiOq or Zn, n means 2 to 3, and q=(4?n)/2, and antimony, tin and/or indium as component D. Polymer compositions containing said additive mixtures are characterized by exceptional flame protection and by very good laser markability or laser weldability.

Abstract: Flame retardant mixtures comprising as component (A) 30% to 99.9% by weight of dialkylphosphinic salts of the formula (II), a and b may be the same or different and are each independently 1 to 9, and where the carbon chains may be linear, branched or cyclic and M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base and m is 1 to 4, as component (B) 0.

Abstract: A halogen-free flame retardant mixture containing between 1-99 wt. % of a component A and between 1-99 wt. % of a component B. Component A comprises between 85-99.995 wt.-% of a solid diethylphosphinic acid salt of the metals Mg, Ca, Al, Sb, SN, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base and between 0.005-15 wt.-% of non-combustible additives and component B is in the form of an aluminum phosphite.

Abstract: The invention relates to a flame retardant mixture comprising 99.9999% to 87% by weight of diorganylphosphinic acid salts as component A) and 0.0001% to 13% by weight of iron as component B), where the sum total of A) and B) is 100% by weight. The invention likewise relates to processes for producing the aforementioned flame retardant mixture and to the use thereof.

Abstract: The invention relates to diorganylphosphinic salts containing 0.0001% to 99.9999% by weight of iron, to a process for preparation thereof and to the use thereof.

Abstract: The invention relates to mixed alkali-aluminum phosphites of the formula (I) Al2.00Mz(HPO3)y(OH)vx(H2O)w??(I) in which M represents alkali metal ions, z is 0.01 to 1.5, y is 2.63 to 3.5, v is 0 to 2, w is 0 to 4; to a process for preparation thereof and to the use thereof.

Abstract: The invention relates to a novel flame retardant-stabilizer combination for thermoplastic polymers, comprising, as component A, from 25 to 99.9% by weight of a phosphinic acid salt of the formula (I) wherein R1, R2 are the same or different and are each C1-C18-alkyl, linear or branched, C6-C18-aryl, C7-C18-arylalkyl or C7-C18-alkylaryl, or R1 and R2 form one or more rings with each other, M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is from 1 to 4; as component B, from 0 to 75% by weight of a synergist or of a phosphorus/nitrogen flame retardant and, as component C, from 0.

Abstract: The invention relates to a novel flame retardant-stabilizer combination for thermoplastic polymers, comprising, as component A, from 25 to 99.9% by weight of a phosphinic acid salt of the formula (I) wherein R1, R2 are the same or different and are each C1-C8-alkyl, linear or branched, C6-C18-aryl, C7-C18-arylalkyl or C7-C18-alkylaryl, or R1 and R2 form one or more rings with each other, M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is from 1 to 4; as component B, from 0 to 75% by weight of a synergist or of a phosphorus/nitrogen flame retardant and, as component C, from 0.1 to 30% by weight of telomeric phosphinic acid salts as component D, from 0 to 20% by weight of organo phosphonic acid salt, as component E, from 0 to 5% by weight of phosphonic acid salt, the sum of the components always being 100% by weight, and wherein the angle of repose of said flame retardant-stabilizer combination is between 5° and 45°.

Abstract: Mixtures of aluminum phosphite with sparingly soluble aluminum salts and extraneous ions, process for preparation thereof and use thereof The invention relates to mixtures of aluminum phosphite with sparingly soluble aluminum salts and nitrogen-free extraneous ions, comprising 80 to 99.898% by weight of aluminum phosphite of the formula (I) Al2(HPO3)3xH2O??(I) in which x is 0 to 4, 0.1 to 10% by weight of sparingly soluble aluminum salts and 0.002 to 10% by weight of nitrogen-free extraneous ions; to a process for preparation thereof and use thereof.

Abstract: Flame retardant mixtures and the production and use thereof The invention relates to a flame retardant mixture comprising 99.9999% to 87% by weight of diorganylphosphinic salts as component A) and 0.0001% to 13% by weight of iron as component B), where the sum total of A) and B) is 100% by weight; and to processes for preparation thereof and to the use thereof.

Abstract: A novel flame retardant-stabilizer combination for thermoplastic polymers, comprising as component A 20 to 99% by weight of a dialkylphosphinic salt of the formula (I) and/or of a diphosphinic salt of the formula (II) and/or polymers thereof in which R1, R2 are the same or different and are each C1-C6-alkyl, linear or branched; R3 is C1-C10-alkylene, linear or branched, C6-C10-arylene, C7-C20-alkylarylene or C7-C20-arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component B 1 to 80% by weight of a salt of the phosphorous acid with the general formula (III) [HP(?O)O2]2?Mm+ (III) in which M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na and/or K and m is 1 to 4, as component C 0 to 30% by weight of a nitrogen-containing synergist and/or of a phosphorus/nitrogen flame retardant, as component D 0 to 10% by weight of a zinc salt and/or of a basic or amphoteric oxide, hydroxide, carbo

Abstract: A flame-retardant composition is described as comprising phosphonate oligomers or polymers of formula (I) as a component (A) an amino ether of formula (II) as a component (B) and a thermoplastic polymer as a component (C), where the components (A), (B) and (C) are as defined.

Abstract: The invention relates to mixtures of aluminum phosphite with sparingly soluble aluminum salts and nitrogen-free extraneous ions, comprising 80 to 99.898% by weight of aluminum phosphite of the formula (I) Al2(HPO3)3xH2O??(I) in which x is 0 to 4, 0.1 to 10% by weight of sparingly soluble aluminum salts and 0.002 to 10% by weight of nitrogen-free extraneous ions; to a process for preparation thereof and use thereof.

Abstract: The invention relates to polymeric flame retardant mixtures containing a) 0.1 to 70 wt % dialkyl phosphinic acid salt, b) 0 to 20 wt % telomers, and c) 30 to 99.9 wt % oligomers, a), b) and c) adding up to 100 wt %, with the proviso that a), b) and c) are different compounds. The invention also relates to methods for synthesizing said polymeric flame retardant mixtures and the use thereof.